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Jim/Steelsewing

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Reply with quote  #1 
It's always so difficult to know what you don't know.

The 201k3 that I have... was received without any spool pins. A threaded end Singer pin from a 201-3 doesn't seem to fit. I'd rather know than assume that if the threaded doesn't fit that maybe the tap-in will. So if anyone out there happens to actually know which spool pins fit both the top and the deck... then maybe I can get somewhere here and not accidentally try to force the wrong pin.

Since these machines were not sold in the States, I don't know for sure if there isn't more than two different steel spool pin types. 
Quite mystifying.

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Christy

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Reply with quote  #2 
Just spit-balling here but I would probably twist a wooden chopstick into the hole, and then back out, to see if the wood shows me threads or not.
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Jim/Steelsewing

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Reply with quote  #3 
I'm beginning to think that the not-at-all obvious answer (since there are no spool pins with the 201k3) is that a threaded spool pin will twist into a threaded hole and that the diameter for the screw in is larger than the tap in. I pulled a threaded off another machine and it doesn't fit any of the holes, and it has a slot on top for a screwdriver where the tap-in's do not. So, I guess the only choice left is the tap if the screw-in doesn't fit. This is assuming no difference in the threading between the US and European designated machines. My luck it's all Whitworth and everyone's keeping a secret, LOL.
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It's a beautiful day in the neighborhood.
There is grace within forgiveness, but it's so hard for me to find - Ben Gibbard
My adventures with VSM's: http://steelsewing.blogspot.com
*QuiltnNan and asshat may be synonymous...
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Guy Montana

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Reply with quote  #4 
Maybe use a dental pick to see if there's threads inside the hole.  If so they make a gage tool to help you figure out the thread size.  Then you could maybe thread your tap in pin?
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victrola

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Reply with quote  #5 
Quote:
Originally Posted by Jim/Steelsewing
I'm beginning to think that the not-at-all obvious answer (since there are no spool pins with the 201k3) is that a threaded spool pin will twist into a threaded hole and that the diameter for the screw in is larger than the tap in. I pulled a threaded off another machine and it doesn't fit any of the holes, and it has a slot on top for a screwdriver where the tap-in's do not. So, I guess the only choice left is the tap if the screw-in doesn't fit. This is assuming no difference in the threading between the US and European designated machines. My luck it's all Whitworth and everyone's keeping a secret, LOL.


I have a 201K, serial number EM463807. It is the "butch" aluminum-bodied model, beige paint, with belt-driven external motor. I thought it was a 201K3, but perhaps it's a 201K23: It looks like the black 201K23 (including handwheel style) on https://www.singersewinginfo.co.uk/201/ except the paint style is beige with brown like the 201K29 (handcrank + spoked wheel) shown immediately below on that page

My 201K has a screw-in spool pin at the top. When I remove it, I can see that it is noticeably wider in diameter than the two spare tap-in spools I have on hand, one that I think came from a 99K and the other which I ordered from Sew Classic. Both those spares are much too loose for the top (main) spool pin of my 201K.

Regarding the second spool pin, down on the base, for winding bobbins: My machine has a hole for a spool pin, but no actual spool pin in it. This hole does not have threads, and the hole looks like it tapers as you go down into the base. I never noticed the absence of a spool pin here (if I used this machine, I would wind bobbins just like on a 99K). Out of curiosity, I tried placing each of my two spare pool pins into this hole. Both the original ex-99k spool pin (which does not have a tapered base) . The reproduction spool pin (which has a tapered base) is very loose, maybe I could tap it into place with a mallet, but I don't really feel like trying. The threaded spool pin from the top does not fit either - the hole has no threads. My guess is Singer either forgot to "chew out" the threads from this hole, or more likely the lower bed took a tap-in spool pin which they forgot to install or fell out over the years.

Oddly enough, there is another hole on the base, near the front right edge, of the bed but to the right and the rear of the bed-mounted tension unit. This hole is threaded. The spool pin from top kind of works in this hole - I can put it in, and turn it about three turns, but not all the way. This hole is about 1/4" from the pillar, too close and in the wrong location to use for a spool for winding bobbins. There is a third such hole toward the back of the machine, also threaded, kind of underneath the 3-pin terminal. No idea what holes #2 and #3 are for.

I can post a picture of all these holes on the base if you're interested, but I doubt it will help you find the right spoolpin for the top.
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Cari-in-Oly

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Reply with quote  #6 
I wonder if those holes are for attaching a metal spacer plate?

Cari

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Kitcarlson

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Reply with quote  #7 
Cari, i agree the holes on the right are to attach filler plate.

My wife buys nearly all orphan 201, 201k she finds. A sampling of 10 machines, they all have tapered pins.
Earlier machines have rounded end, snap on cover plates on top, filling two large access holes. Later machines cast top pin area like 66. The front pin for bobbin winder tapered too, just like 15-91. They are sometimes missing. My wife swaps pins as needed, my pin supply is always running low. With Sew-Classic closing ...

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Jim/Steelsewing

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Reply with quote  #8 
I have several 'extra' 15-91s' so I'll see if maybe I can borrow a pin. I found a tap-in for the top plate! Half-way there. =)

*Thank you to everyone.

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It's a beautiful day in the neighborhood.
There is grace within forgiveness, but it's so hard for me to find - Ben Gibbard
My adventures with VSM's: http://steelsewing.blogspot.com
*QuiltnNan and asshat may be synonymous...
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Farmer John

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Reply with quote  #9 
Here is a back lighted photo down the spool pin hole of my 201k-3 centennial.  There is no evidence of any threads.  Using pin gauges, the tapered hole is.173" at the top and .154" at the bottom.  The depth of the cast iron is .306".  This works out to an included taper of .062 per inch, or an included angle of 4 degrees.
     In addition, the cheap tapered, tap in, spool pins that are commonly available for other sm, do not come close to having a taper to match the holes in these sm, the angle being way too steep, at around 15 degrees included.  Just set one in a spool pin hole ans see how is wobbles.
100_2118.jpg 

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WI Lori

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Reply with quote  #10 
Farmer John, you have a great "how to grind & adjust a poorly fitting tapered spool pin" tutorial over in the How-to category.

https://www.victoriansweatshop.com/post/making-a-spool-pin-that-fits-9599215?pid=1302678332

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Lori in Wisconsin
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Farmer John

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Reply with quote  #11 
Thanks, Lori, my memory no longer seems to go back that far, ha, ha.
John
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